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<META NAME="Author" CONTENT="Tomasz Ostrowski">
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<title>Tomasz Ostrowski - SHA1 calculator</title>  
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  <a href="../index.htm">erma0.cn</a>
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<div id="header_r"><A HREF="./sha1.htm" TARGET="_self"><strong>ENGLISH VERSION</strong></A><br><A HREF="./sha1.php?lang=pl" TARGET="_self"><strong>WERSJA POLSKA</strong></A></div>      
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<script type="text/javascript" src="./js/rusha.js"></script>

<script type="text/javascript">
//<!--
	var rusha = new Rusha();

  var hD='0123456789ABCDEF';
  function dec2hex(d) {
      var h = hD.substr(d&15,1);
      while (d>15) {
          d>>=4;
          h=hD.substr(d&15,1)+h;
      }
      return h;
  }
  
  function hex2dec(h) {
    return parseInt(h, 16);
  }

  var initialized = false;
  function HashInit() {
    rusha.resetState();
    document.frmCalc.output.value = "";    
    initialized = true;
  }
  
  function HashUpdateText() {
    if (!initialized) {
      HashInit();
    }
    var inp = document.frmCalc.input.value;
		rusha.append(inp);    
  }
  
  function HashUpdateHex() {
    if (!initialized) {
      HashInit();
    }
    var inp = document.frmCalc.input.value.toUpperCase();
    var Chars = "0123456789ABCDEF";   
    for (var i = 0; i < inp.length; i++)
    { 
      if (Chars.indexOf(inp.charAt(i)) == -1) {
        alert ("Error: Not a valid hex string, characters other than hex found.");
        return;
      }
    }    
    if (inp.length % 2) {
      alert ("Error: Not a valid hex string, length is not a multiple of 2 bytes.");
      return;    
    }
    var arr = new Array();
    for (var i=0; i<inp.length; i+=2) {
			arr.push(hex2dec(inp.substr(i, 2)));      
    }
    rusha.append(arr);
  }
  
  function HashFinish() {
    initialized = false;
    var hexHash = rusha.end();
    document.frmCalc.output.value = "";
    document.frmCalc.output.value = hexHash;
  }
  

	function readFileAsArray(file) {
	    var reader = new FileReader();
	    reader.onload = function(){
	      //var text = reader.result;
		  	var arr = reader.result;
		  	uint8View = new Uint8Array(arr);
		    if (!initialized) {
		      HashInit();
		    }
				rusha.append(uint8View);					  
	    };
	    reader.readAsArrayBuffer(file);    
	}    
	
	var openFile = function(event) {
	    var input = event.target;
	    readFileAsArray(input.files[0]);
	};  
//-->
</script>


<div id="main">
<h3>SHA1 calculator</h3>
      <p>Javascript (client-side) SHA1 calculator for mixed input (text, hex or file - can added to hash in any combination).
      Using <a href="https://github.com/srijs/rusha">Rusha</a>.
      <form name="frmCalc" action="">
			  <p>
			    <button type=button name="btnInit" style="width: 470px"
            onclick="HashInit()">
            Reinit calculation (clear hash state)
          </button>
			  </p>

				<p>Input:</p>
		    <p><input type="text" name="input" value="" style="width: 470px; font-family: courier, monospace; font-size: large;"><br>
			    <button type=button name="btnUpdateText" style="width: 470px"
            onclick="HashUpdateText()">
            Update treating input as text
          </button>          
			    <button type=button name="btnUpdateHex" style="width: 470px"
            onclick="HashUpdateHex()">
            Update treating input as hex string
          </button>
					<br>
					or update using file content (immediately after file is selected):
					<br>					 
					<input type="file" name="fileinput" onchange='openFile(event)' />					          
        </p>
			  <p>
			    <br>
          <button type=button name="btnFinish" style="width: 470px"
            onclick="HashFinish()">
            Finish calculation / get result
          </button>
			  </p>
        <p><input type="text" name="output" value="" style="width: 470px; font-family: courier, monospace; font-size: large;"></p>  
			</form>
  </div>
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<h3>Sitemap</h3>

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    <li ><a>PROJECTS</a>
    <ul>
    <li><A HREF="../programator.htm" TARGET="_self">FLASH 49F programmer</A></li> 
    </ul>
    </li>

 
    <li><a>ONLINE TOOLS</a>
    <ul>
    <li><a href="./base64.htm" TARGET="_self">Base64 -&gt; HEX</A></li>
    <li><a href="./base32.htm" TARGET="_self">Base32 -&gt; HEX</a></li>
    <li><a href="./base32hex.htm" TARGET="_self">Base32hex -&gt; HEX</a></li>
    <li><a href="./ascii.htm" TARGET="_self">ASCII -&gt; HEX</a></li>
    <li><a href="./ascii_uN.htm" TARGET="_self">ASCII -&gt; u16/u32/u64 HEX</a></li>            
    <li><a href="./hex_to_base64.htm" TARGET="_self">HEX -&gt; Base64</a></li>
    <li><a href="./text_to_base64.htm" TARGET="_self">Text -&gt; Base64</a></li>
    <li><a href="./hex_to_base32.htm" TARGET="_self">HEX -&gt; Base32</a></li>
    <li><a href="./hex_to_base32hex.htm" TARGET="_self">HEX -&gt; Base32hex</a></li>
    <li><a href="./hex_to_ascii.htm" TARGET="_self">HEX -&gt; ASCII</a></li>
    <li><a href="./hex_to_dec.htm" TARGET="_self">HEX -&gt; DEC</a></li>	
    <li><a href="./dec_to_ascii.htm" TARGET="_self">DEC -&gt; ASCII</a></li>
    <li><a href="./bin_to_32bit_hex.htm" TARGET="_self">BIN &lt;-&gt; 32-bit hex</a></li>    
    <li><a href="./md5.htm" TARGET="_self">MD5 calculator</a></li>
    <li><a href="./sha1.htm" TARGET="_self">SHA1 calculator</a></li>    
    <li><a href="./regexp.htm" TARGET="_self">Regular exp.</a></li>
    <li><a href="./cpp_text_escape.htm" TARGET="_self">Text -&gt; Cpp</a></li>
    <li><a href="./cpp_unescape.htm" TARGET="_self">Cpp -&gt; text</a></li>
    <li><a href="./pascal_escape.htm" TARGET="_self">Text -&gt; Pascal</a></li>        
    <li><a href="./hex_to_file.htm" TARGET="_self">HEX -&gt; file</a></li>
    <li><a href="./file_to_hex.htm" TARGET="_self">File -&gt; HEX</a></li>
    <li><a href="./file_to_base64.htm" TARGET="_self">File -&gt; Base64</a></li>    
    <li><a href="./html_list_gen.htm" TARGET="_self">Text -&gt; HTML ul</a></li>
    <li><a href="./crc8.htm" TARGET="_self">CRC8</a></li>
    <li><a href="./wave_gen.htm" TARGET="_self">WAVE generator</a></li>
    <li><a href="./bin_decoder.htm" TARGET="_self">Bin decoder</a></li>
    <li><a href="./rc4.htm" TARGET="_self">RC4</a></li>          
    <li><a href="./xor.htm" TARGET="_self">XOR</a></li>
    <li><a href="./inv.htm" TARGET="_self">Inverting bits</a></li>
    <li><a href="./par_resistors.htm" TARGET="_self">Par. resistors search</a></li>
    <li><a href="./unique_str.htm" TARGET="_self">Deduplicate / sort</a></li>        
    <li><a href="./base64_to_PEM.htm" TARGET="_self">Base64 -&gt; PEM</a></li>
    <li><a href="./PEM_to_base64.htm" TARGET="_self">PEM -&gt; base64</a></li>
    <li><a href="./diskstats.htm" TARGET="_self">/proc/diskstats</a></li>    
    </ul>
    </li> 


    <li><A HREF="../contact2.htm" TARGET="_self">Contact</A></li></ul>
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